Pacifica, 2003-2005

3.5L V6 VIN 4 Auto 3

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Trouble Code: P0456



EVAP System Small Leak Detected

Possible Causes:



Fuel tank cap is damaged, loose or the wrong part number
 
Small leak present somewhere in the EVAP system
 

Trouble Code: P0457



Loose Fuel Cap Condition:

Possible Causes:



Loose or missing fuel fill cap
 
Intermittent condition
 
NVLD system or switch malfunction
 
EVAP system leaking
 
EVAP purge solenoid malfunction
 

Trouble Code: P0461



Fuel Level Sensor No. 1 Malfunction

Possible Causes:



Fuel tank or internal siphon hose damage
 
Fuel level signal circuit open or shorted to ground
 
Ground circuit is open
 
Fuel level Sensor malfunction
 

Trouble Code: P0462



Fuel Level Sensor No. 1 Low Input

Possible Causes:



Intermittent condition
 
Fuel level sending unit signal circuit shorted to Sensor or chassis ground
 
Fuel level sensing unit is damaged or the fuel tank is damaged
 
Instrument cluster problem
 

Trouble Code: P0463



Fuel Level Sensor No. 1 High Input

Possible Causes:



Fuel level sending unit signal circuit is open or is shorted to battery voltage
 
Fuel level Sensor ground circuit is open
 
Fuel level Sensor is damaged or the fuel tank is damaged
 
Instrument cluster is faulty
 
BCM or PCM has failed
 

Trouble Code: P0480



Low Speed (No.1) Fan Control Relay Circuit

Possible Causes:



Fan relay intermittent condition
 
Ground circuit is open
 
Fused B+ output circuit malfunction
 
Fan relay control circuit is open or shorted to battery voltage or ground
 
Fan relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P0481



High Speed (No. 2) Fan Relay Control Circuit

Possible Causes:



HFAN relay power circuit is open from the relay to fused power
 
HFAN relay control circuit is open or shorted to chassis ground
 
Fan relay(s) failed
 
PCM has failed.
 

Trouble Code: P0498



NVLD Canister Vent Solenoid Circuit Low

Possible Causes:



NVLD canister vent solenoid control circuit is shorted to ground
 
NVLD canister vent solenoid is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0499



NVLD Canister Vent Solenoid Circuit High

Possible Causes:



NVLD canister vent solenoid control circuit is open or is shorted to power
 
NVLD canister vent solenoid ground circuit is open
 
NVLD canister vent solenoid is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0501



Vehicle Speed Sensor Performance

Possible Causes:



Check for any ABS/RWAL or TCM codes related to the VSS
 
VSS connector is damaged, open or it is shorted
 
VSS signal is open, shorted to ground or shorted to power
 
Incorrect tire circumference
 
ABS/RWAL controller, BCM, ECM, TCM or PCM has failed
 

Trouble Code: P0506



Idle Speed Low Performance

Possible Causes:



PCV system malfunction
 
Air induction system restrictions (clogged air filter, etc.)
 
Idle air control passage is clogged or dirty (clean and retest)
 
Air induction system malfunction
 
Throttle body or linkage is binding, damaged or sticking
 

Trouble Code: P0507



Idle Speed High Performance

Possible Causes:



PCV system malfunction
 
Air induction system restrictions (clogged air filter, etc.)
 
Idle air control passage is clogged or dirty (clean and retest)
 
Air induction system malfunction
 
Throttle body or linkage is binding, damaged or sticking
 

Trouble Code: P0508



Idle Air Control Motor Sense Circuit Low Input

Possible Causes:



IAC motor driver circuit is open or shorted to ground
 
IAC motor sense circuit is open or shorted to ground
 
IAC motor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0509



Idle Air Control Motor Circuit High

Possible Causes:



IAC motor driver circuit is shorted to power
 
IAC motor sense circuit is shorted to power
 
IAC motor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0513



Invalid SKIM Key Detected

Possible Causes:



Incorrect VIN in the PCM
 
No communication between the PCM and the SKIM
 
SKIM trouble codes present (check for any SKIM codes)
 
Valid SKIM key not present
 
VIN not programmed into the PCM
 
PCM has failed
 

Trouble Code: P0516



Battery Temperature Sensor Circuit Low Input

Possible Causes:



BTS signal circuit is shorted to Sensor or chassis ground
 
BTS assembly is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0517



Battery Temperature Sensor Circuit High Input

Possible Causes:



BTS signal circuit is shorted to VREF (5v)
 
BTS signal circuit is open or the BTS ground circuit is open
 
BTS assembly is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0520



Engine Oil Pressure Sensor Out of Range

Possible Causes:



Oil pressure Sensor signal circuit is open or shorted to ground
 
Oil pressure Sensor signal circuit has high resistance
 
5v supply circuit has high resistance
 
5v supply circuit is shorted to ground
 
Oil pressure Sensor ground circuit has high resistance
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0521



Engine Oil Pressure Sensor Does Not Reach Range

Possible Causes:



Engine oil or engine mechanical fault
 
Oil pressure Sensor signal circuit is shorted to battery
 
Oil pressure Sensor signal circuit has high resistance
 
5v supply circuit has high resistance
 
5v supply circuit is shorted to ground
 
Oil pressure Sensor return circuit has high resistance
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0522



Engine Oil Pressure Sensor Rationality

Possible Causes:



5v supply circuit is open or is shorted to ground
 
Oil pressure Sensor signal circuit is shorted to ground or to sensor ground
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0523



Engine Oil Pressure Sensor Circuit High

Possible Causes:



Oil pressure Sensor signal circuit is open or shorted to battery voltage or to 5v supply circuit
 
Oil pressure Sensor ground circuit is open
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0524



Engine Oil Pressure Low

Possible Causes:



Engine oil system or engine mechanical faults
 
Oil pressure Sensor signal circuit is shorted to battery voltage or to ground
 
Oil pressure Sensor signal circuit has high resistance
 
5v supply circuit has high resistance
 
5v supply circuit is shorted to ground
 
Oil pressure Sensor return circuit has high resistance
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0532



Air Conditioning Pressure Sensor Circuit Low Input

Possible Causes:



A/C pressure Sensor 5v power supply (VREF) circuit is open or is shorted to ground
 
A/C pressure Sensor signal circuit is shorted to ground or to Sensor ground circuit
 
A/C pressure Sensor is damaged or it has failed
 
Front A/C control module damaged or has failed
 
PCM has failed
 

Trouble Code: P0533



Air Conditioning Pressure Sensor Circuit High Input

Possible Causes:



A/C pressure Sensor signal circuit is shorted to 5v VREF power
 
A/C pressure Sensor signal circuit or ground circuit is open
 
A/C pressure Sensor is damaged or it has failed
 
Front A/C control module is damaged or has failed
 
PCM has failed
 

Trouble Code: P0551



Power Steering Pressure Switch Circuit Failure

Possible Causes:



PSPS sense circuit is open between the switch and the PCM
 
PSPS ground circuit is open between the switch and ground
 
PSPS is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0562



Battery Voltage Low Input

Possible Causes:



Resistance in battery positive circuit
 
Resistance in the generator case ground
 
Generator field ground circuit is open or shorted to ground
 
Generator is damaged or it has failed
 
Ground circuit is open
 
PCM has failed
 

Trouble Code: P0572



Brake Switch Signal No. 1 Circuit Low

Possible Causes:



Brake switch signal circuit is shorted to ground
 
BS No. 2 signal open (5.7L)
 
Brake switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0573



Brake Switch No. 1 Stuck High/Off

Possible Causes:



BS No. 2 signal open or shorted to ground
 
BS No. 1 signal shorted to ground or to voltage
 
Ground circuit is open
 
Fused ignition switch output is open
 
Stop lamp switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0580



Speed Control Switch No. 1 Circuit Low Input

Possible Causes:



Intermittent condition
 
S/C switch signal circuit is shorted to chassis or Sensor ground
 
S/C On/Off switch is damaged or it has failed
 
S/C Resume/Accel switch is damaged or it has failed
 
PCM has failed.
 

Trouble Code: P0581



Speed Control Switch No. 1 Circuit High Input

Possible Causes:



S/C switch No.1 signal circuit is shorted to system power (B+)
 
S/C switch ground circuit is open
 
S/C switch signal circuit is open between PCM and clockspring
 
S/C Sensor ground circuit is open between PCM and clockspring or clockspring and S/C switch
 
Clockspring has failed
 
S/C switch (one or more) is damaged or has failed
 
PCM has failed
 

Trouble Code: P0582



Speed Control Vacuum Solenoid Circuit Malfunction

Possible Causes:



S/C supply circuit is open or is short to ground or to battery voltage
 
S/C vacuum solenoid control circuit is open
 
S/C vacuum solenoid control circuit is shorted to ground
 
S/C vacuum solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0586



Speed Control Vent Solenoid Circuit Malfunction

Possible Causes:



S/C supply circuit is open or is short to ground
 
S/C vent solenoid control circuit is open
 
S/C vent solenoid control circuit is shorted to ground
 
S/C vent solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0594



Speed Control Servo Power Circuit Malfunction

Possible Causes:



S/C solenoid or vent solenoid has failed
 
Brake switch is damaged or it has failed
 
S/C brake switch circuit is open or it is shorted to ground
 
S/C power circuit is open or it is shorted to ground
 
PCM has failed
 

Trouble Code: P0600



Serial Communication Link Malfunction

Possible Causes:



PCM or SPI failure
 

Trouble Code: P0601



PCM Internal Controller Failure

Possible Causes:



PCM or SPI failure
 

Trouble Code: P0627



Fuel Pump Relay Control Circuit Malfunction

Possible Causes:



Fuel pump relay control circuit is open or is shorted to ground
 
Fuel pump relay control circuit is shorted to system power (B+)
 
Fuel pump relay power circuit (fused ignition) circuit is open
 
Fuel pump relay is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0630



VIN Not Programmed Into The PCM

Possible Causes:



Reprogram the correct VIN into the PCM
 
PCM has failed
 

Trouble Code: P0632



Odometer Not Programmed Into The PCM

Possible Causes:



Reprogram the correct mileage into the PCM
 
PCM has failed
 

Trouble Code: P0633



SKIM Key Not Programmed Into The PCM

Possible Causes:



Reprogram the SKIM key into the PCM
 
PCM has failed
 

Trouble Code: P0645



A/C Clutch Relay Circuit Malfunction

Possible Causes:



Internally fused ignition switch output circuit is faulty
 
A/C relay clutch control circuit is open or it is shorted to ground
 
A/C relay clutch power supply (fused ignition) circuit is open
 
A/C relay is damaged or it has failed
 
PCM has failed
 

 
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